Bolt easy project with PRI sensor

1

Hi All,

I recently bought PRI sensor. I need easy way to test with bolt to test if received PRI sensors are working or not.

Please help me urgently on this.

2

Make the project to count the number of persons in the room.
The PIR sensor will take signal
Like you can interface with led
If the no. Of persons in room are zero light will be off.
And if no. Of person are greater than one led will be on.

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